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Spring Security 自定义授权服务器实践

活动地址:CSDN21天学习挑战赛

相关文章:

  1. OAuth2的定义和运行流程
  2. Spring Security OAuth实现Gitee快捷登录
  3. Spring Security OAuth实现GitHub快捷登录
  4. Spring Security的过滤器链机制
  5. Spring Security OAuth Client配置加载源码分析
  6. Spring Security内置过滤器详解
  7. 为什么加载了两个OAuth2AuthorizationRequestRedirectFilter分析

前言

在之前我们已经对接过了GitHub、Gitee客户端,使用OAuth2 Client能够快速便捷的集成第三方登录,集成第三方登录一方面降低了企业的获客成本,同时为用户提供更为便捷的登录体验。
但是随着企业的发展壮大,越来越有必要搭建自己的OAuth2服务器。
OAuth2不仅包括前面的OAuth客户端,还包括了授权服务器,在这里我们要通过最小化配置搭建自己的授权服务器。
授权服务器主要提供OAuth Client注册、用户认证、token分发、token验证、token刷新等功能。实际应用中授权服务器与资源服务器可以在同一个应用中实现,也可以拆分成两个独立应用,在这里为了方便理解,我们拆分成两个应用。

授权服务器变迁

授权服务器(Authorization Server)目前并没有集成在Spring Security项目中,而是作为独立项目存在于Spring生态中,图1为Spring Authorization Server 在Spring 项目列表中的位置。
Spring Security 自定义授权服务器实践


图1

Spring Authorization Server 为什么没被集成在Spring Security中呢?

起因是因为Spring 中的Spring Security OAuth、Spring Cloud Security都对OAuth有自己的实现,Spring团队开始是想把OAuth独立出来放到Spring Security中,但是后面Spring团队意识到OAuth授权服务并不适合包含在Spring Security框架中,于是在2019年11月Spring宣布不在Spring Security中支持授权服务器。原文如下:

原文:
Since the Spring Security OAuth project was created, the number of authorization server choices has grown significantly. Additionally, we did not feel like creating an authorization server was a common scenario. Nor did we feel like it was appropriate to provide authorization support within a framework with no library support. After careful consideration, the Spring Security team decided that we would not formally support creating authorization servers.

但是对于Spring Security不再支持授权服务器,社区反应强烈。于是在2020年4月,Spring推出了Spring Authorization Server项目。
目前项目最新GA版本为0.3 GA,预览版本1.0.0-M1。

最小化配置

安装授权服务器

1、新创建一个Spring Boot项目,命名为spring-security-authorization-server
2、引入pom依赖

dependency>
    groupId>org.springframework.bootgroupId>
    artifactId>spring-boot-starter-securityartifactId>
dependency>

dependency>
    groupId>org.springframework.securitygroupId>
    artifactId>spring-security-oauth2-authorization-serverartifactId>
    version>0.3.1version>
dependency>

dependency>
    groupId>org.springframework.bootgroupId>
    artifactId>spring-boot-starter-webartifactId>
dependency>

配置授权服务器


import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.RSAKey;
import com.nimbusds.jose.jwk.source.ImmutableJWKSet;
import com.nimbusds.jose.jwk.source.JWKSource;
import com.nimbusds.jose.proc.SecurityContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configurers.oauth2.server.authorization.OAuth2AuthorizationServerConfigurer;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.factory.PasswordEncoderFactories;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
import org.springframework.security.oauth2.core.oidc.OidcScopes;
import org.springframework.security.oauth2.server.authorization.client.InMemoryRegisteredClientRepository;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClientRepository;
import org.springframework.security.oauth2.server.authorization.config.ClientSettings;
import org.springframework.security.oauth2.server.authorization.config.ProviderSettings;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;
import org.springframework.security.web.util.matcher.RequestMatcher;

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.util.UUID;


@Configuration(proxyBeanMethods = false)
public class AuthorizationServerConfig {

    //授权端点过滤器链
    @Bean
    @Order(Ordered.HIGHEST_PRECEDENCE)
    public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
        OAuth2AuthorizationServerConfigurerHttpSecurity> authorizationServerConfigurer =
                new OAuth2AuthorizationServerConfigurer>();
        RequestMatcher endpointsMatcher = authorizationServerConfigurer
                .getEndpointsMatcher();

        http
                //没有认证会自动跳转到/login页面
                .exceptionHandling((exceptions) -> exceptions
                        .authenticationEntryPoint(
                                new LoginUrlAuthenticationEntryPoint("/login"))
                )
                .requestMatcher(endpointsMatcher)
                .authorizeRequests(authorizeRequests ->
                        authorizeRequests.anyRequest().authenticated()
                )
                .csrf(csrf -> csrf.ignoringRequestMatchers(endpointsMatcher))
                .apply(authorizationServerConfigurer);
        return http.build();
    }


    //用于身份验证的过滤器链
    @Bean
    @Order(2)
    public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http)
            throws Exception {
        http
                .authorizeHttpRequests((authorize) -> authorize
                        .anyRequest().authenticated()
                )
                .formLogin(Customizer.withDefaults());

        return http.build();
    }

    //配置主体用户
    @Bean
    public UserDetailsService userDetailsService() {
        UserDetails userDetails = User.withDefaultPasswordEncoder()
                .username("user")
                .password("user")
                .roles("USER")
                .build();

        return new InMemoryUserDetailsManager(userDetails);
    }

    //注册客户端
    @Bean
    public RegisteredClientRepository registeredClientRepository() {
        RegisteredClient registeredClient = RegisteredClient.withId(UUID.randomUUID().toString())
                //客户端id
                .clientId("testClientId")
                //客户端秘钥,授权服务器需要加密存储
                .clientSecret(PasswordEncoderFactories.createDelegatingPasswordEncoder().encode("testClientSecret"))
                //授权方法
                .clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
                //支持的授权类型
                .authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
                .authorizationGrantType(AuthorizationGrantType.REFRESH_TOKEN)
                .authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS)
                //回调地址,支持多个,本地测试不能使用localhost
                .redirectUri("http://127.0.0.1:8080/login/oauth2/code/customize")
                .scope(OidcScopes.OPENID)
                //授权scope
                .scope("message.read")
                .scope("userinfo")
                .scope("message.write")
                //是否需要授权页面,开启跳转到授权页面,需要手动确认
                .clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build())
                .build();

        return new InMemoryRegisteredClientRepository(registeredClient);
    }

    //token加密
    @Bean
    public JWKSourceSecurityContext> jwkSource() {
        KeyPair keyPair = generateRsaKey();
        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
        RSAKey rsaKey = new RSAKey.Builder(publicKey)
                .privateKey(privateKey)
                .keyID(UUID.randomUUID().toString())
                .build();
        JWKSet jwkSet = new JWKSet(rsaKey);
        return new ImmutableJWKSet>(jwkSet);
    }

    private static KeyPair generateRsaKey() {
        KeyPair keyPair;
        try {
            KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
            keyPairGenerator.initialize(2048);
            keyPair = keyPairGenerator.generateKeyPair();
        }
        catch (Exception ex) {
            throw new IllegalStateException(ex);
        }
        return keyPair;
    }

    //配置协议端点,比如/oauth2/authorize、/oauth2/token等
    @Bean
    public ProviderSettings providerSettings() {
        return ProviderSettings.builder().build();
    }

}

如上是最小化授权服务器的配置,这里我们将授权主体和客户端都存储在内存中,当然也可以持久化到数据库中,分别使用JdbcUserDetailsManagerJdbcRegisteredClientRepository
ProviderSettings.builder().build()使用了默认的配置,这几个地址我们后面就会用到:

public static Builder builder() {
    return new Builder()
            .authorizationEndpoint("/oauth2/authorize")
            .tokenEndpoint("/oauth2/token")
            .jwkSetEndpoint("/oauth2/jwks")
            .tokenRevocationEndpoint("/oauth2/revoke")
            .tokenIntrospectionEndpoint("/oauth2/introspect")
            .oidcClientRegistrationEndpoint("/connect/register")
            .oidcUserInfoEndpoint("/userinfo");
}

❗ 官方指出@Import(OAuth2AuthorizationServerConfiguration.class)也可以用来最小化配置,但我亲测这种方式没多大用处,并且还有问题。

配置客户端

这里我们要使用自己的搭建授权服务器,需要自定义一个客户端,还是使用前面集成GitHub的示例,只要在配置文件中扩展就可以。
完整配置如下:

spring:
  security:
    oauth2:
      client:
        registration:
          gitee:
            client-id: gitee_clientId
            client-secret: gitee_secret
            authorization-grant-type: authorization_code
            redirect-uri: '{baseUrl}/login/oauth2/code/{registrationId}'
            client-name: Gitee
          github:
            client-id: github_clientId
            client-secret: github_secret
          # 自定义
          customize:
            client-id: testClientId
            client-secret: testClientSecret
            authorization-grant-type: authorization_code
            redirect-uri: '{baseUrl}/login/oauth2/code/{registrationId}'
            client-name: Customize
            scope:
              - userinfo
        provider:
          gitee:
            authorization-uri: https://gitee.com/oauth/authorize
            token-uri: https://gitee.com/oauth/token
            user-info-uri: https://gitee.com/api/v5/user
            user-name-attribute: name
          # 自定义
          customize:
            authorization-uri: http://localhost:9000/oauth2/authorize
            token-uri: http://localhost:9000/oauth2/token
            user-info-uri: http://localhost:9000/userinfo
            user-name-attribute: username

❗ 在配置授权服务器uri的时候,请勿依旧使用127.0.0.1,由于是在本地测试,授权服务器的session和客户端的session会互相覆盖,导致莫名其妙的问题。
请区分回调地址,和授权服务器端点uri的地址。
Spring Security 自定义授权服务器实践


客户端的session

Spring Security 自定义授权服务器实践


授权服务器的session

体验

另外为了能够更好的调式,可以在两个应用增加@EnableWebSecurity(debug = true)和 log日志,日志如下,打开TRACE级别日志:

logging:
  level:
    root: INFO
    org.springframework.web: INFO
    org.springframework.security: TRACE
    org.springframework.security.oauth2: TRACE

现在启动两个应用,访问http://127.0.0.1:8080/hello,自动跳转到登录页面。
Spring Security 自定义授权服务器实践
点击Customize,将跳转至授权服务器,注意看地址栏地址为localhost:9000/login,输入用户名/密码登录,user/user
Spring Security 自定义授权服务器实践
登录后,将跳转至授权页面,由于我们没有定制,使用的是默认页面,可以看到该页面的地址为
http://localhost:9000/oauth2/authorize?response_type=code&client_id=testClientId&scope=userinfo&state=yV1ElAN2855yq3bY5kgj_rmilnCclyvZHkxVB7a1d84%3D&redirect_uri=http://127.0.0.1:8080/login/oauth2/code/customize
Spring Security 自定义授权服务器实践
我们勾选userinfo,提交后即跳转回客户端。
我们看下客户收到的日志,授权服务器带着code回调了我们填写的回调地址。
Request received for GET '/login/oauth2/code/customize?code=DPAlx5uyrUpfrZIlBKrpIy_mmcgiyC2qCxPFtUeLA0fBrZd238XM2vN8M1jv9XAgl0KA-D54P_KzVH7RbUw7ApBUc2pbnuSVRZUyHazozmNM4YgQ06CZryfr20qLRhW4&state=_Sgak7GLILLKbwr9JVuwA2xVp95CWPgUMByQcvePkgM%3D'

************************************************************

Request received for GET '/login/oauth2/code/customize?code=DPAlx5uyrUpfrZIlBKrpIy_mmcgiyC2qCxPFtUeLA0fBrZd238XM2vN8M1jv9XAgl0KA-D54P_KzVH7RbUw7ApBUc2pbnuSVRZUyHazozmNM4YgQ06CZryfr20qLRhW4&state=_Sgak7GLILLKbwr9JVuwA2xVp95CWPgUMByQcvePkgM%3D':

org.apache.catalina.connector.RequestFacade@1a8761d0

servletPath:/login/oauth2/code/customize
pathInfo:null
headers: 
host: 127.0.0.1:8080
connection: keep-alive
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site: cross-site
sec-fetch-mode: navigate
sec-fetch-user: ?1
sec-fetch-dest: document
sec-ch-ua: "Chromium";v="104", " Not A;Brand";v="99", "Google Chrome";v="104"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"
referer: http://127.0.0.1:8080/
accept-encoding: gzip, deflate, br
accept-language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7
cookie: JSESSIONID=2527F412F53FA27A30BFBC39161ABB63


Security filter chain: [
  DisableEncodeUrlFilter
  WebAsyncManagerIntegrationFilter
  SecurityContextPersistenceFilter
  HeaderWriterFilter
  CsrfFilter
  LogoutFilter
  OAuth2AuthorizationRequestRedirectFilter
  OAuth2AuthorizationRequestRedirectFilter
  OAuth2LoginAuthenticationFilter
  DefaultLoginPageGeneratingFilter
  DefaultLogoutPageGeneratingFilter
  RequestCacheAwareFilter
  SecurityContextHolderAwareRequestFilter
  AnonymousAuthenticationFilter
  OAuth2AuthorizationCodeGrantFilter
  SessionManagementFilter
  ExceptionTranslationFilter
  FilterSecurityInterceptor
]


************************************************************

总结

Spring Security 的最小化授权服务器的配置,到这里结束了,该demo虽然代码量非常少,但涉及的知识非常多,并且坑也多。

Spring Security文档中的代码说明更新不及时,比如@Import(OAuth2AuthorizationServerConfiguration.class)文档中说明是最小化配置,但文档的快速开始又提供了另外一种的最小化配置方式。

另外授权服务器如果发生异常,是不会打印堆栈的,而是把错误信息放入到response中,是打算要在页面上显示,然而demo的默认错误页并不会显示错误详情,只有错误编号400,如图。

Spring Security 自定义授权服务器实践
Spring Authorization Server 还需要多多完善,Spring Security也不例外,不久前我还提了一个PR,把一个持续数个版本的bug给修复了?(过了,只是文档中的错误罢了,被标记为文档中的bug?),看多了外国人的产品,其实也没有太比国内的开源项目好,坑也很多,而我们某些大厂的开源项目其实很好,却被网友门各种喷。

Spring Security 自定义授权服务器实践

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